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Yamaha 90D, Owner'S Manual

The Yamaha 90D Owner's Manual is a comprehensive guide for operating and maintaining your Yamaha 90D product. With easy-to-follow instructions and detailed diagrams, this manual ensures a smooth user experience. Download your free copy today from our website, enabling you to maximize the potential of your Yamaha 90D.

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Table of contents

 

General information .......................... 1

 

Identification numbers record ..........  1

 

Outboard motor serial number .......... 1
Key number....................................... 1

 

Emission control information ...........  1

 

North American models..................... 1

 

Safety information ...........................  2
Important labels...............................  3

 

Warning labels .................................. 3

 

Basic boating rules (Rules of the 

road) .............................................. 3

 

Steering and sailing rules and 

sound signals.................................. 4

Rules when encountering vessels .... 4
Other special situations..................... 5

 

Fueling instructions .........................  7

 

Gasoline ............................................ 8
Engine oil .......................................... 8

 

Battery requirement.........................  8

 

Battery specifications ........................ 8

 

Propeller selection...........................  8
Start-in-gear protection ...................  9

 

Basic components .......................... 10

 

Main components ..........................  10

 

Fuel tank ......................................... 10
Fuel joint ......................................... 11
Fuel gauge ...................................... 11
Fuel tank cap .................................. 11
Air vent screw ................................. 11
Remote control................................ 11
Remote control lever ....................... 11
Neutral interlock trigger ................... 12
Neutral throttle lever........................ 12
Throttle friction adjuster................... 12
Engine stop lanyard switch ............. 13
Main switch ..................................... 13
Power trim and tilt switch on 

remote control or tiller handle ....... 14

Power trim and tilt switch on 

bottom engine cowling .................. 14

Trim tab with anode ........................ 14
Trim rod (tilt pin) .............................. 15
Tilt support lever for power trim and 

tilt or hydro tilt model..................... 15

Top cowling lock lever(s) (turn 

type) .............................................. 15

Flushing device ............................... 16
Tachometer ..................................... 16
Digital tachometer ........................... 16
Oil level indicators (three 

indicators) ..................................... 16

Oil level indicator (digital type) ........ 17
Overheat warning indicator (digital 

type) .............................................. 17

Trim meter ....................................... 17
Trim meter (digital type) .................. 17
Hour meter (digital type).................. 18

 

Warning system ............................  18

 

Overheat warning ............................ 18
Oil level warning and oil filter 

clogging warning ........................... 19

 

Operation ......................................... 21

 

Installation.....................................  21

 

Mounting the outboard motor .......... 21

 

Breaking in engine ........................  22

 

Gasoline and engine oil mixing 

chart (50:1).................................... 22

Procedure for oil injection 

models .......................................... 22

 

Preoperation checks .....................  23

 

Fuel ................................................. 23
Oil .................................................... 23
Controls ........................................... 23
Engine ............................................. 23
Operation after a long period of 

storage .......................................... 23

 

Filling fuel and engine oil ..............  24

 

Filling fuel for portable tank ............. 24
Filling oil for electric start 

models .......................................... 24

Oil level indicator operation ............. 26

 

Operating engine ..........................  26

 

Feeding fuel (portable tank) ............ 26
Starting engine ................................ 27

 

Warming up engine.......................  28

 

Electric start and prime start 

models .......................................... 28

 

Shifting ..........................................  29

 

Forward (tiller handle and remote 

control models) ............................. 29

Summary of Contents for 90D

Page 1: ...Printed in Japan March 2004 0 9 1 Printed on recycled paper 90D OWNER S MANUAL 6H1 28199 14 U S A Edition LIT 18626 05 86 6H1 28199 14_Hyoshi 3 10 04 10 40 AM Page 1 ...

Page 2: ...EMU25060 ZMU01690 Read this owner s manual carefully before operating your outboard motor 6H1 28199 14_Hyoshi 3 10 04 10 40 AM Page 2 ...

Page 3: ...ut board motor CAUTION ECM00700 A CAUTION indicates special precautions that must be taken to avoid damage to the outboard motor NOTE A NOTE provides key information to make procedures easier or clearer Yamaha continually seeks advancements in product design and quality Therefore while this manual contains the most current prod uct information available at the time of print ing there may be minor ...

Page 4: ...tom engine cowling 14 Trim tab with anode 14 Trim rod tilt pin 15 Tilt support lever for power trim and tilt or hydro tilt model 15 Top cowling lock lever s turn type 15 Flushing device 16 Tachometer 16 Digital tachometer 16 Oil level indicators three indicators 16 Oil level indicator digital type 17 Overheat warning indicator digital type 17 Trim meter 17 Trim meter digital type 17 Hour meter dig...

Page 5: ...lter 45 Inspecting idling speed 46 Checking water in engine oil tank 46 Checking wiring and connectors 47 Exhaust leakage 47 Water leakage 47 Checking power trim and tilt system 47 Checking propeller 48 Removing the propeller 49 Installing the propeller 49 Changing gear oil 49 Cleaning fuel tank 50 Inspecting and replacing anode s 51 Checking battery for electric start models 52 Connecting the bat...

Page 6: ...y number If a main key switch is equipped with the mo tor the key identification number is stamped on your key as shown in the illustration Record this number in the space provided for reference in case you need a new key EMU25220 Emission control information EMU25230 North American models This engine conforms to U S Environmental Protection Agency EPA regulations for ma rine SI engines See the la...

Page 7: ... flotation de vice PFD on board for every occupant It is a good idea to wear a PFD whenever boating At a minimum children and non swimmers should always wear PFDs and everyone should wear PFDs when there are potentially hazardous boating condi tions Gasoline is highly flammable and its va pors are flammable and explosive Handle and store gasoline carefully Make sure there are no gas fumes or leaki...

Page 8: ... shut off the engine Be informed about boating safety Additional publications and information can be obtained from many organizations including the fol lowing United States Coast Guard Consumer Affairs Staff G BC Office of Boating Public and Consumer Af fairs U S Coast Guard Headquarters Washington D C 20593 0001 Boating Safety Hotline 1 800 368 5647 National Marine Manufacturers Associa tion NMMA...

Page 9: ...ou should not cross in front of the vessel with the right of way You should slow down or change directions brief ly and pass behind the other vessel You should always move in such a way that the operator of the other vessel can see what you are doing The general prudential rule This rule is called Rule 2 in the International Rules and says In obeying and construing these rules due regard shall be ...

Page 10: ... and direction so that the other vessel can steer itself around you EMU25530 Other special situations There are three other rules you should be aware of when driving your boat around oth er vessels Narrow channels and bends When navigating in narrow channels you should keep to the right when it is safe and practical to do so If the operator of a power driven vessel is preparing to go around a bend...

Page 11: ... the boat er is going towards the port This means that red buoys are passed on the starboard right side when proceeding from open wa ter into port and black buoys are to port left side When navigating out of port your posi tion with respect to the buoys should be re versed red buoys should be to port and black buoys to starboard Many bodies of water used by boaters are entirely within the boundari...

Page 12: ... FLAMMABLE AND EXPLOSIVE Do not smoke when refueling and keep away from sparks flames or other sources of ignition Stop engine before refueling Refuel in a well ventilated area Refuel portable fuel tanks off the boat Take care not to spill gasoline If gaso line spills wipe it up immediately with ZMU01708 ...

Page 13: ...use it can cause fuel system damage or engine performance problems EMU25650 Engine oil If the recommended engine oil is not avail able another 2 stroke engine oil with an NMMA certified TC W3 rating may be used EMU25690 Battery requirement CAUTION ECM01060 Do not use a battery that does not meet the specified capacity If a battery which does not meet specifications is used the electric system coul...

Page 14: ...s best suited to your ap plication NOTE Select a propeller which will allow the engine to reach the middle or upper half of the oper ating range at full throttle with the maximum boat load If operating conditions such as light boat loads then allow the engine r min to rise above the maximum recommended range reduce the throttle setting to maintain the engine in the proper operating range For instr...

Page 15: ...e is its dedicated fuel reservoir and must not be used as a fuel storage container Com mercial users should conform to relevant 1 10 2 13 14 15 16 17 3 4 5 6 7 8 9 12 11 ZMU03850 1 Top cowling 2 Top cowling lock lever 3 Anti cavitation plate 4 Trim tab anode 5 Propeller 6 Cooling water inlet 7 Anode 8 Tilt rod 9 Clamp bracket 10 Tilt support lever 11 Power trim and tilt switch 12 Flushing device 1...

Page 16: ...ntrol lever actuates both the shifter and the throttle The electrical switch es are mounted on the remote control box EMU26190 Remote control lever Moving the lever forward from the neutral po sition engages forward gear Pulling the le ver back from neutral engages reverse The engine will continue to run at idle until the le ver is moved about 35 a detent can be felt Moving the lever farther opens...

Page 17: ...er is in the closed position EMU25970 Throttle friction adjuster A friction device provides adjustable resis tance to movement of the throttle grip or the remote control lever and can be set accord ing to operator preference To increase resistance turn the adjuster clockwise To decrease resistance turn the adjuster counterclockwise WARNING EWM00030 Do not overtighten the friction adjuster If there...

Page 18: ...ntan gled preventing it from functioning Avoid accidentally pulling the lanyard during normal operation Loss of en gine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward NOTE The engine cannot be started with the lock plate removed EMU26090 Main switch The main switch controls the...

Page 19: ... trim and tilt switch located on the bottom engine cowling only when the boat is at a complete stop with the en gine off Attempting to use this switch while the boat is moving could increase the risk of falling overboard and could distract the operator increasing the risk of collision with another boat or an obsta cle NOTE For instructions on using the power trim and tilt switch see page 32 EMU262...

Page 20: ...tilt or hydro tilt model To keep the outboard motor in the tilted up position lock the tilt support lever to the clamp bracket EMU26372 Top cowling lock lever s turn type To remove the engine top cowling turn the lock lever s and lift off the cowling When in stalling the cowling check to be sure it fits properly in the rubber seal Then lock the cowling again by returning the lever s to the lock po...

Page 21: ...ments of the display will light momen tarily after the main switch is turned on and will return to normal thereafter EMU26540 Oil level indicators three indicators The indicators on the gauge show the status of the oil level For details on how to read the indicators see page 26 CAUTION ECM00030 Do not operate the engine without oil Se rious engine damage will occur 1 Flushing device 1 Tachometer 2...

Page 22: ...start to blink For fur ther information on reading the indicator see page 18 CAUTION ECM00050 Do not continue to run the engine if the overheat warning indicator is on Serious engine damage will occur EMU26610 Trim meter This gauge shows the trim angle of your out board motor NOTE Memorize the trim angles that work best for your boat under different conditions Adjust the trim angle to the desired ...

Page 23: ...wing pat tern Total hours Trip hours Display off Resetting the trip hours Simultaneously pressing the set and mode buttons for more than 1 second while the trip hours are displayed resets the trip counter to 0 zero NOTE The total number of hours the engine has been run cannot be reset EMU26801 Warning system CAUTION ECM00090 Do not continue to operate the engine if a warning device has activated C...

Page 24: ...l filter clogging warning Oil injection models This engine has an oil level warning system If the oil level falls below the lower limit the warning system will activate Activation of warning device Engine speed will automatically decrease to about 2000 r min The oil level warning indicator will light The buzzer will sound If the warning system has been activated stop the engine and check for the c...

Page 25: ...warning for oil filter clogging is similar to the warnings for low oil level and overheat ing To make troubleshooting easier check for engine overheating first then oil level and finally oil filter clogging 1 Oil filter ZMU03828 1 ...

Page 26: ...n is intended as reference only It is not possible to provide complete in structions for every possible boat and motor combination Proper mounting depends in part on experience and the specific boat and motor combination WARNING EWM00830 Improper mounting of the outboard mo tor could result in hazardous conditions such as poor handling loss of control or fire hazards Observe the following For perm...

Page 27: ...d motor see page 30 EMU27020 Breaking in engine Your new engine requires a period of break in to allow mating surfaces of moving parts to wear in evenly Correct break in will help en sure proper performance and longer engine life CAUTION ECM00140 Failure to follow the break in procedure could result in reduced engine life or even severe engine damage Premix fuel must be used during break in in add...

Page 28: ... for your trip Make sure there are no fuel leaks or gaso line fumes Check fuel line connections to be sure they are tight if equipped Yamaha fuel tank or boat tank Be sure the fuel tank is positioned on a se cure flat surface and that the fuel line is not twisted or flattened or likely to contact sharp objects if equipped Yamaha fuel tank or boat tank EMU27120 Oil Check to be sure you have plenty ...

Page 29: ...the cap securely after refueling Wipe up any spilled fuel EMU27311 Filling oil for electric start models WARNING EWM00530 Do not add gasoline into the oil tank Fire or explosion could result This engine uses the Yamaha oil injection system which provides superior lubrication by ensuring the proper oil ratio for all operat ing conditions No fuel premixing is needed Simply pour gasoline into the fue...

Page 30: ...Operation 25 3 Slowly pour the engine oil into the en gine oil tank 4 After filling replace the all caps secure ly 1 Oil filler access cap 2 Oil tank filler cap ZMU03370 ZMU03371 2 1 ...

Page 31: ...ew This product emits exhaust gases which contain carbon monoxide a col orless odorless gas which could cause brain damage or death when inhaled Symptoms include nausea dizziness and drowsiness Keep cockpit and cab in areas well ventilated Avoid blocking exhaust outlets 1 If there is an air vent screw on the fuel tank cap loosen it 2 or 3 turns Oil level warning indicator digital tachometer Oil le...

Page 32: ...from the fuel tank 4 Squeeze the primer pump with the outlet end up until you feel it become firm EMU27490 Starting engine EMU27662 Electric start and remote control models 1 Place the remote control lever in neutral NOTE The start in gear protection device prevents the engine from starting except when in neu tral 2 Attach the engine stop switch lanyard to a secure place on your clothing or your a...

Page 33: ...e starter motor is turned continuously for more than 5 seconds the battery will be quickly discharged thus making it im possible to start the engine The starter can also be damaged If the engine will not start after 5 seconds of cranking return the main switch to on wait 10 seconds then crank the engine again NOTE When the engine is cold it needs to be warmed up For further information see page 28...

Page 34: ... the throttle grip in the fully closed position 2 Move the gear shift lever quickly and firmly from neutral to forward Remote control models 1 Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from neutral to forward EMU27784 Reverse automatic reverse lock and power trim and tilt models WARNING EWM00190 When operating in reverse go slowly Do not...

Page 35: ... the engine stop switch then turning the main switch to off EMU27861 Trimming outboard motor The trim angle of the outboard motor helps determine the position of the bow of the boat in the water Correct trim angle will help im prove performance and fuel economy while reducing strain on the engine Correct trim angle depends upon the combination of boat engine and propeller Correct trim is also affe...

Page 36: ...y when the boat is at a complete stop with the engine off Adjust the outboard motor trim angle using the power trim and tilt switch To raise the bow trim out press the switch up To lower the bow trim in press the switch down Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions NOTE To adjust the trim angle while the boat i...

Page 37: ... causes the boat to plow through the water decreasing fuel economy and making it hard to increase speed Oper ating with excessive trim in at higher speeds also makes the boat unstable Resistance at the bow is greatly increased heightening the danger of bow steering and making opera tion difficult and dangerous NOTE Depending on the type of boat the outboard motor trim angle may have little effect ...

Page 38: ... handle EMU28004 Procedure for tilting up Power trim and tilt models power tilt models 1 Place the remote control lever the gear shift lever in neutral 2 Disconnect the fuel line from the out board motor or close the fuel cock 3 Press the power trim and tilt switch power tilt switch up until the out board motor has tilted up completely 4 Push the tilt support knob into the clamp bracket or pull th...

Page 39: ...edure for tilting down Power trim and tilt models power tilt models 1 Push the power tilt power trim and tilt switch up until the outboard motor is supported by the tilt rod and the tilt support lever tilt support knob becomes free 2 Release the tilt support lever or pull out the tilt support knob 3 Push the power tilt power trim and tilt switch down to lower the outboard motor to the desired posi...

Page 40: ...lace the gear shift lever in neutral 2 Slightly tilt the outboard motor up to the desired position using the power trim tilt switch 3 To return the outboard motor to the nor mal running position press the power trim tilt switch and slowly tilt the out board motor down EMU28190 Cruising in other conditions Cruising in salt water After operating in salt water wash out the cooling water passages with...

Page 41: ...resistor NGK BR8HS 10 Spark plug gap 0 9 1 0 mm 0 035 0 039 in Control system Remote control Starting system Electric Starting carburetion system Prime start Min cold cranking amps CCA SAE 380 0 A Min marine cranking amps MCA ABYC 502 0 A Min reserve capacity RC SAE 124 minutes Alternator output for battery DC 10 0 A Drive unit Gear positions Forward neutral reverse Gear ratio 2 00 26 13 Trim and ...

Page 42: ...n then trailer the outboard motor in the tilt po sition using a motor support device such as a transom saver bar Consult your Yamaha dealer for further details EMU30272 Storing outboard motor When storing your Yamaha outboard motor for prolonged periods of time 2 months or longer several important procedures must be performed to prevent excessive damage It is advisable to have your outboard motor ...

Page 43: ...dle for 10 15 minutes in neutral position while supply ing fresh water 7 Just prior to turning off the engine quick ly spray Yamaha Stor Rite Engine Fogging Oil Part No LUB STRRT 12 00 alternately into each carburetor each intake manifold When properly done the engine will smoke excessively and almost stall 8 Remove the flushing attachment and wipe off any excess water 9 Install the silencer cover...

Page 44: ...so generate explosive hydro gen gas therefore you should always follow these preventive measures Charge batteries in a well ventilated ar ea Keep batteries away from fire sparks or open flames for example welding equipment lighted cigarettes and so on DO NOT SMOKE when charging or han dling batteries KEEP BATTERIES AND ELECTROLYTIC FLUID OUT OF REACH OF CHILDREN Batteries vary among manufacturers ...

Page 45: ...use serious overheating Be sure the connector is tightened securely on the fit ting after flushing the engine NOTE When flushing the engine with the boat in the water tilting up the outboard motor un til it is completely out of the water will achieve better results For cooling system flushing instructions see page 37 EMU28450 Cleaning the outboard motor After use wash the exterior of the outboard ...

Page 46: ...cluding those to the emission control system must be performed by an authorized Yamaha marine dealership A service manual is available for purchase through your Yamaha dealer for owners who have the mechanical skills tools and other equipment necessary to perform mainte nance not covered by this owner s manual EMU28510 Replacement parts If replacement parts are necessary use only genuine Yamaha pa...

Page 47: ...e s external Inspection replace ment Anode s internal Inspection replace ment Battery Inspection charging Cooling water pas sages Cleaning Cowling clamp Inspection Fuel filter can be dis assembled Inspection cleaning Fuel system Inspection Fuel tank Yamaha por table tank Inspection cleaning Gear oil Change Greasing points Greasing Idling speed carbure tor models Inspection adjustment PCV Pressure ...

Page 48: ...ushed with clean water after each use EMU28931 Greasing Yamaha marine grease Water resistant grease 90D Oil tank water drain Inspection cleaning Spark plug s Cleaning adjustment replacement Item Actions Initial Every 10 hours 1 month 50 hours 3 months 100 hours 6 months 200 hours 1 year ZMU03879 ...

Page 49: ...rosion becomes excessive or if carbon and other deposits are excessive you should re place the spark plug with another of the cor rect type Before fitting the spark plug measure the electrode gap with a wire thickness gauge adjust the gap to specification if necessary When fitting the plug always clean the gas ket surface and use a new gasket Wipe off any dirt from the threads and screw in the spa...

Page 50: ... is highly flammable and its va pors are flammable and explosive If you have any question about properly doing this procedure consult your Yamaha dealer Do not perform this procedure on a hot or running engine Allow the engine to cool There will be fuel in the fuel filter Keep away from sparks cigarettes flames or other sources of ignition This procedure will allow some fuel to spill Catch fuel in...

Page 51: ...t to move which could result in an accident CAUTION ECM00490 This procedure must be performed while the outboard motor is in the water A flushing attachment or test tank can be used A diagnostic tachometer should be used for this procedure Results may vary depending on whether testing is conducted with the flushing attachment in a test tank or with the outboard motor in the water 1 Start the engin...

Page 52: ...f the outboard motor accidentally falls Make sure no one is under the outboard motor before performing this test 1 Check the power trim and tilt unit for any sign of oil leaks 2 Operate each of the power trim and tilt switches on the remote control and en gine bottom cowling if equipped to check that all switches work 3 Tilt the outboard motor up and check that the tilt rod and trim rods are exten...

Page 53: ...if your boat has one Do not use your hand to hold the pro peller when loosening or tightening the propeller nut Put a wood block be tween the anti cavitation plate and the propeller to prevent the propeller from turning Checkpoints Check each of the propeller blades for wear erosion from cavitation or ventila tion or other damage Check the propeller shaft for damage Check the splines shear pin for...

Page 54: ...sher Tighten the propeller nut to the specified torque 4 Align the propeller nut with the propeller shaft hole Insert a new cotter pin in the hole and bend the cotter pin ends NOTE If the propeller nut does not align with the propeller shaft hole after tightening to the specified torque tighten the nut further to align it with the hole EMU29280 Changing gear oil WARNING EWM00800 Be sure the outboa...

Page 55: ...the oil begins to flow out of the oil level plug hole insert and tighten the oil level plug 7 Insert and tighten the gear oil drain screw EMU29302 Cleaning fuel tank WARNING EWM00920 Gasoline is highly flammable and its va pors are flammable and explosive If you have any question about properly doing this procedure consult your Yamaha dealer Keep away from sparks cigarettes flames or other sources...

Page 56: ... to dry 5 Replace the gasket with a new one Re install the fuel joint assembly and tighten the screws firmly EMU29312 Inspecting and replacing anode s Yamaha outboard motors are protected from corrosion by sacrificial anodes Inspect the external anodes periodically Remove scales from the surfaces of the anodes Consult a Yamaha dealer for replacement of external anodes CAUTION ECM00720 Do not paint...

Page 57: ...eries away from fire sparks or open flames for example welding equipment lighted cigarettes and so on DO NOT SMOKE when charging or han dling batteries KEEP BATTERIES AND ELECTROLYTIC FLUID OUT OF REACH OF CHILDREN CAUTION ECM00360 A poorly maintained battery will quickly deteriorate Ordinary tap water contains minerals harmful to a battery and should not be used for topping up 1 Check the electro...

Page 58: ...ontacts of the battery and cables must be clean and properly connected or the battery will not start the engine Connect the red battery cable to the POSI TIVE terminal first Then connect the black battery cable to the NEGATIVE ter minal EMU29370 Disconnecting the battery Disconnect the BLACK cable from the NEG ATIVE terminal first Then disconnect the RED cable from the POSITIVE terminal EMU29390 C...

Page 59: ...Maintenance 54 marine growth Do not use anti fouling paint which includes copper or graphite These paints can cause more rapid engine corrosion ZMU01943 ...

Page 60: ...A Have serviced by a Yamaha dealer Q Is shift lever in gear A Shift to neutral Engine will not start starter operates Q Is fuel tank empty A Fill tank with clean fresh fuel Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Is starting procedure incorrect A See page 27 Q Has fuel pump malfunctioned A Have serviced by a Yamaha deal...

Page 61: ...p damaged A Have serviced by a Yamaha dealer Q Is air vent screw on fuel tank closed A Open air vent screw Q Is choke knob pulled out A Return to home position Q Is motor angle too high A Return to normal operating position Q Is carburetor clogged A Have serviced by a Yamaha dealer Q Is fuel joint connection incorrect A Connect correctly Q Is throttle valve adjustment incorrect A Have serviced by ...

Page 62: ...g s fouled or of incorrect type A Inspect spark plug s Clean or replace with recommended type Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for pinched or kinked fuel line or other obstructions in fuel system Q Is fuel filter clogged A Clean or replace filter Q Is fuel contaminated or stale A Fill tank w...

Page 63: ...n emergency EMU29440 Impact damage WARNING EWM00870 The outboard motor can be seriously damaged by a collision while operating or trailering Damage could make the out board motor unsafe to operate If the outboard motor hits an object in the wa ter follow the procedure below 1 Stop the engine immediately 2 Inspect the control system and all com ponents for damage Also inspect the boat for damage 3 ...

Page 64: ...vice does not oper ate Make sure the remote control lever is in neutral Otherwise the boat could unexpectedly start to move which could result in an accident Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating Do not attach the lanyard to clothing that could tear loose Do not route the cord where it could become entangled preventing it from f...

Page 65: ...gine stop switch lanyard lock plate is at tached to the engine stop switch The main switch must be on if equipped 5 Insert the knotted end of the emergency starter rope into the notch in the flywheel rotor and wind the rope several turns around the flywheel clockwise 6 Pull the rope slowly until resistance is felt 7 Give a strong pull straight out to crank and start the engine Repeat if neces sary...

Page 66: ...rk plug cap or other electrical parts carrying high voltage Keep loose clothing and other objects away from the engine when starting it Do not touch the flywheel or other moving parts when the engine is running 1 Adjust the trim angle so that the drive shaft is at right angles to the water sur face or is trimmed in 2 On models equipped with an emergency starter valve open it The valve is locat ed ...

Page 67: ...h to on wait 10 seconds then crank the engine again 7 After the engine starts close the emer gency starter valve if used then return the throttle to its original position NOTE When the starter mechanism malfunctions see page 59 EMU29760 Treatment of submerged motor If the outboard motor is submerged immedi ately take it to a Yamaha dealer Otherwise some corrosion may begin almost immedi ately If y...

Page 68: ...retor fuel filter and fuel line 4 Feed fogging oil or engine oil through the carburetor s and spark plug holes while cranking with the manual starter or emergency starter rope 5 Take the outboard motor to a Yamaha dealer as soon as possible CAUTION ECM00400 Do not attempt to run the outboard motor until it has been completely inspected ZMU01909 ZMU01910 ZMU01911 ...

Page 69: ...64 Consumer information EMU29811 Important warranty information for U S A and Canada ...

Page 70: ...Consumer information 65 ...

Page 71: ...Consumer information 66 EMU29820 YAMAHA MOTOR CORPORATION U S A OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY ...

Page 72: ...Consumer information 67 ...

Page 73: ...Consumer information 68 ...

Page 74: ...Consumer information 69 EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U S A OR CANADA ...

Page 75: ...Printed in Japan March 2004 0 9 1 Printed on recycled paper 90D OWNER S MANUAL 6H1 28199 14 U S A Edition LIT 18626 05 86 6H1 28199 14_Hyoshi 3 10 04 10 40 AM Page 1 ...

Page 76: ...r au détail OUTBOARD MOTOR MODEL AND SERIAL NUMBER From I D label on clamp bracket MODÉLE ET NO DE SÉRIE DU MOTEUR HORS BORD sur l étiquette d identification de la presse de fixation For Dealer Use Only A l usage du concessionnaire YAMAHA DEALER NUMBER NO DU CONCESSIONNAIRE YAMAHA DEALER NAME NOM DU CONCESSIONNAIRE DATE SOLD DATE DE LIVRAISON OWNER S NAME NOM DU PROPRIÉTAIRE ADDRESS ADRESSE PHONE ...

Page 77: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT Warranty card 2 27 02 11 47 AM Page 2 ...

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